Home / 972,904.10-1,342,505.80-564,926.40

Finding the Fourth Proportional to 972,904.10, 1,342,505.80 and 564,926.40

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Solution

The fourth proportional to 972,904.10, 1,342,505.80 and 564,926.40 is: 779,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,904.10 : 1,342,505.80 = 564,926.40 : x
  2. Step 2: Convert to fraction form
    972,904.10/1,342,505.80 = 564,926.40/x
  3. Step 3: Cross multiply
    972,904.10x = 1,342,505.80 × 564,926.40
  4. Step 4: Simplify right side
    972,904.10x = 758,416,968,573.12
  5. Step 5: Solve for x
    x = 758,416,968,573.12/972,904.10
  6. Step 6: Final answer
    x = 779,539.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.